Analysis

  • max time kernel
    267s
  • max time network
    314s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 17:27

General

  • Target

    eaf438d1ccfde79b19192e90644fdd737193efa5a670d37f3240cc63373dfdf9.exe

  • Size

    4.4MB

  • MD5

    3789e62bc96cd6ee3133ad57ebfa79fc

  • SHA1

    1d1cd2d1607ba7e10f18ebbf0d6e57de19d6c44e

  • SHA256

    eaf438d1ccfde79b19192e90644fdd737193efa5a670d37f3240cc63373dfdf9

  • SHA512

    52c1f93e31abaa20bf9cf0f2cb6aff547cbe79e5441e9f39428744e65ec6cf172f91d50e23e14e93797c1ec51c47ea20830ef2f5359b13b40d2bff5a38c2b35f

  • SSDEEP

    49152:NWaKa+PBvRfhyUHDxup48o8XOjKzuFYdki9buOBqFMjSlM/Zf0weeDNxwU:EhPBVcU2OjK9kubuOBqFMj8MNtLNxw

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops Chrome extension 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eaf438d1ccfde79b19192e90644fdd737193efa5a670d37f3240cc63373dfdf9.exe
    "C:\Users\Admin\AppData\Local\Temp\eaf438d1ccfde79b19192e90644fdd737193efa5a670d37f3240cc63373dfdf9.exe"
    1⤵
    • Loads dropped DLL
    • Drops Chrome extension
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:5016
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\GoSave\HBHORnZIxgsXaj.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1328
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\GoSave\HBHORnZIxgsXaj.x64.dll"
        3⤵
          PID:3156
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:2664
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
        1⤵
          PID:4816

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\GoSave\HBHORnZIxgsXaj.dll

          Filesize

          738KB

          MD5

          49961c7c9a7aef57f49adf50d1c810f6

          SHA1

          fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

          SHA256

          c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

          SHA512

          8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

        • C:\Program Files (x86)\GoSave\HBHORnZIxgsXaj.x64.dll

          Filesize

          872KB

          MD5

          337b97dbbcc7ad4d75fb5a90652e6de3

          SHA1

          50e50243af1819e62a7512d85e6dd67b8e1ed103

          SHA256

          b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

          SHA512

          dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

        • C:\Program Files (x86)\GoSave\HBHORnZIxgsXaj.x64.dll

          Filesize

          872KB

          MD5

          337b97dbbcc7ad4d75fb5a90652e6de3

          SHA1

          50e50243af1819e62a7512d85e6dd67b8e1ed103

          SHA256

          b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

          SHA512

          dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

        • memory/1328-138-0x0000000000000000-mapping.dmp

        • memory/3156-141-0x0000000000000000-mapping.dmp

        • memory/5016-132-0x0000000002F00000-0x0000000002FC9000-memory.dmp

          Filesize

          804KB